
Overview
The 74FST3126QS is a buffers, Drivers, Receivers, Transceiver made by onsemi in a SOP-16 package with 16 pins. -40℃~+85℃ 0.25ns@5.5V,50pF 1 3uA 4 4V~5.5V 74FST Output enable TTL Compatible CMOS Tri-State Unidirectional SOP-16 Buffers, Drivers, Receivers, Transceivers.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:74FST3126QS, from EasyEDA) and its footprint (Package_SO:SO-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3755952).
Symbol
Footprint
Parameters
11- Channel Type
- Unidirectional
- Features
- Output enable
- Input type
- TTL-compatible CMOS
- Logic Family
- 74FST
- Number of Bits per Element
- 1
- Number of Elements
- 4
- Operating Temperature
- -40℃~+85℃
- Propagation Delay
- 0.25ns@5.5V,50pF
- Quiescent Current
- 3uA
- Voltage - Supply
- 4V~5.5V
- output type
- Tri-State
Order codes
1- 74FST3126QSLCSC C3755952
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | NC | Unspecified |
| 2 | OE1 | Unspecified |
| 3 | 1A | Unspecified |
| 4 | 1B | Unspecified |
| 5 | OE2 | Unspecified |
| 6 | 2A | Unspecified |
| 7 | 2B | Unspecified |
| 8 | GND | Unspecified |
| 9 | NC | Unspecified |
| 10 | 3B | Unspecified |
| 11 | 3A | Unspecified |
| 12 | OE3 | Unspecified |
| 13 | 4B | Unspecified |
| 14 | 4A | Unspecified |
| 15 | OE4 | Unspecified |
| 16 | VCC | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/onsemi/74FST3126QS" title="74FST3126QS in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/74FST3126QS.jpg" alt="74FST3126QS" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/74FST3126QS)Questions
Is there a KiCad symbol and footprint for the 74FST3126QS?
Yes. The symbol is EasyEDA_Cloud:74FST3126QS and the footprint Package_SO:SO-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 74FST3126QS?
SOP-16, with 16 pins. Its footprint is drawn on this page.
Where is the 74FST3126QS datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the 74FST3126QS?
JLCPCB lists it as part C3755952, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74FST3126QS?
Parts like it in the library: the SN74HC259DR(LX) by lingxingic, the CD74HC4050NS by Texas Instruments, the SN74LS365ADR(LX) by lingxingic and the AIP74HC366SA16.TR by Wuxi I-core Elec. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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